| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <algorithm> |
| #include <string> |
| |
| #include "base/bind.h" |
| #include "base/bind_helpers.h" |
| #include "base/logging.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/time/time.h" |
| #include "media/base/audio_decoder_config.h" |
| #include "media/base/decoder_buffer.h" |
| #include "media/base/stream_parser_buffer.h" |
| #include "media/base/test_data_util.h" |
| #include "media/base/video_decoder_config.h" |
| #include "media/mp4/es_descriptor.h" |
| #include "media/mp4/mp4_stream_parser.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| using base::TimeDelta; |
| |
| namespace media { |
| namespace mp4 { |
| |
| // TODO(xhwang): Figure out the init data type appropriately once it's spec'ed. |
| static const char kMp4InitDataType[] = "video/mp4"; |
| |
| class MP4StreamParserTest : public testing::Test { |
| public: |
| MP4StreamParserTest() |
| : configs_received_(false) { |
| std::set<int> audio_object_types; |
| audio_object_types.insert(kISO_14496_3); |
| parser_.reset(new MP4StreamParser(audio_object_types, false)); |
| } |
| |
| protected: |
| scoped_ptr<MP4StreamParser> parser_; |
| bool configs_received_; |
| |
| bool AppendData(const uint8* data, size_t length) { |
| return parser_->Parse(data, length); |
| } |
| |
| bool AppendDataInPieces(const uint8* data, size_t length, size_t piece_size) { |
| const uint8* start = data; |
| const uint8* end = data + length; |
| while (start < end) { |
| size_t append_size = std::min(piece_size, |
| static_cast<size_t>(end - start)); |
| if (!AppendData(start, append_size)) |
| return false; |
| start += append_size; |
| } |
| return true; |
| } |
| |
| void InitF(bool init_ok, base::TimeDelta duration) { |
| DVLOG(1) << "InitF: ok=" << init_ok |
| << ", dur=" << duration.InMilliseconds(); |
| } |
| |
| bool NewConfigF(const AudioDecoderConfig& ac, const VideoDecoderConfig& vc) { |
| DVLOG(1) << "NewConfigF: audio=" << ac.IsValidConfig() |
| << ", video=" << vc.IsValidConfig(); |
| configs_received_ = true; |
| return true; |
| } |
| |
| |
| void DumpBuffers(const std::string& label, |
| const StreamParser::BufferQueue& buffers) { |
| DVLOG(2) << "DumpBuffers: " << label << " size " << buffers.size(); |
| for (StreamParser::BufferQueue::const_iterator buf = buffers.begin(); |
| buf != buffers.end(); buf++) { |
| DVLOG(3) << " n=" << buf - buffers.begin() |
| << ", size=" << (*buf)->data_size() |
| << ", dur=" << (*buf)->duration().InMilliseconds(); |
| } |
| } |
| |
| bool NewBuffersF(const StreamParser::BufferQueue& audio_buffers, |
| const StreamParser::BufferQueue& video_buffers) { |
| DumpBuffers("audio_buffers", audio_buffers); |
| DumpBuffers("video_buffers", video_buffers); |
| return true; |
| } |
| |
| bool NewTextBuffersF(TextTrack* text_track, |
| const StreamParser::BufferQueue& buffers) { |
| return true; |
| } |
| |
| void KeyNeededF(const std::string& type, |
| const std::vector<uint8>& init_data) { |
| DVLOG(1) << "KeyNeededF: " << init_data.size(); |
| EXPECT_EQ(kMp4InitDataType, type); |
| EXPECT_FALSE(init_data.empty()); |
| } |
| |
| scoped_ptr<TextTrack> AddTextTrackF( |
| TextKind kind, |
| const std::string& label, |
| const std::string& language) { |
| return scoped_ptr<TextTrack>(); |
| } |
| |
| void NewSegmentF() { |
| DVLOG(1) << "NewSegmentF"; |
| } |
| |
| void EndOfSegmentF() { |
| DVLOG(1) << "EndOfSegmentF()"; |
| } |
| |
| void InitializeParser() { |
| parser_->Init( |
| base::Bind(&MP4StreamParserTest::InitF, base::Unretained(this)), |
| base::Bind(&MP4StreamParserTest::NewConfigF, base::Unretained(this)), |
| base::Bind(&MP4StreamParserTest::NewBuffersF, base::Unretained(this)), |
| base::Bind(&MP4StreamParserTest::NewTextBuffersF, |
| base::Unretained(this)), |
| base::Bind(&MP4StreamParserTest::KeyNeededF, base::Unretained(this)), |
| base::Bind(&MP4StreamParserTest::AddTextTrackF, base::Unretained(this)), |
| base::Bind(&MP4StreamParserTest::NewSegmentF, base::Unretained(this)), |
| base::Bind(&MP4StreamParserTest::EndOfSegmentF, |
| base::Unretained(this)), |
| LogCB()); |
| } |
| |
| bool ParseMP4File(const std::string& filename, int append_bytes) { |
| InitializeParser(); |
| |
| scoped_refptr<DecoderBuffer> buffer = ReadTestDataFile(filename); |
| EXPECT_TRUE(AppendDataInPieces(buffer->data(), |
| buffer->data_size(), |
| append_bytes)); |
| return true; |
| } |
| }; |
| |
| TEST_F(MP4StreamParserTest, UnalignedAppend) { |
| // Test small, non-segment-aligned appends (small enough to exercise |
| // incremental append system) |
| ParseMP4File("bear-1280x720-av_frag.mp4", 512); |
| } |
| |
| TEST_F(MP4StreamParserTest, BytewiseAppend) { |
| // Ensure no incremental errors occur when parsing |
| ParseMP4File("bear-1280x720-av_frag.mp4", 1); |
| } |
| |
| TEST_F(MP4StreamParserTest, MultiFragmentAppend) { |
| // Large size ensures multiple fragments are appended in one call (size is |
| // larger than this particular test file) |
| ParseMP4File("bear-1280x720-av_frag.mp4", 768432); |
| } |
| |
| TEST_F(MP4StreamParserTest, Flush) { |
| // Flush while reading sample data, then start a new stream. |
| InitializeParser(); |
| |
| scoped_refptr<DecoderBuffer> buffer = |
| ReadTestDataFile("bear-1280x720-av_frag.mp4"); |
| EXPECT_TRUE(AppendDataInPieces(buffer->data(), 65536, 512)); |
| parser_->Flush(); |
| EXPECT_TRUE(AppendDataInPieces(buffer->data(), |
| buffer->data_size(), |
| 512)); |
| } |
| |
| TEST_F(MP4StreamParserTest, Reinitialization) { |
| InitializeParser(); |
| |
| scoped_refptr<DecoderBuffer> buffer = |
| ReadTestDataFile("bear-1280x720-av_frag.mp4"); |
| EXPECT_TRUE(AppendDataInPieces(buffer->data(), |
| buffer->data_size(), |
| 512)); |
| EXPECT_TRUE(AppendDataInPieces(buffer->data(), |
| buffer->data_size(), |
| 512)); |
| } |
| |
| TEST_F(MP4StreamParserTest, MPEG2_AAC_LC) { |
| std::set<int> audio_object_types; |
| audio_object_types.insert(kISO_13818_7_AAC_LC); |
| parser_.reset(new MP4StreamParser(audio_object_types, false)); |
| ParseMP4File("bear-mpeg2-aac-only_frag.mp4", 512); |
| } |
| |
| // Test that a moov box is not always required after Flush() is called. |
| TEST_F(MP4StreamParserTest, NoMoovAfterFlush) { |
| InitializeParser(); |
| |
| scoped_refptr<DecoderBuffer> buffer = |
| ReadTestDataFile("bear-1280x720-av_frag.mp4"); |
| EXPECT_TRUE(AppendDataInPieces(buffer->data(), |
| buffer->data_size(), |
| 512)); |
| parser_->Flush(); |
| |
| const int kFirstMoofOffset = 1307; |
| EXPECT_TRUE(AppendDataInPieces(buffer->data() + kFirstMoofOffset, |
| buffer->data_size() - kFirstMoofOffset, |
| 512)); |
| } |
| |
| // TODO(strobe): Create and test media which uses CENC auxiliary info stored |
| // inside a private box |
| |
| } // namespace mp4 |
| } // namespace media |